:root {
  --paper: #edf0eb;
  --paper-elevated: #f7f8f4;
  --ink: #111714;
  --ink-soft: #47514c;
  --line: #c7cec8;
  --line-strong: #9ea9a1;
  --blue: #1f57f0;
  --blue-deep: #153cc1;
  --blue-soft: #dce4ff;
  --orange: #f05a2a;
  --orange-soft: #ffe2d6;
  --green: #16845b;
  --shadow: 0 22px 70px rgba(16, 31, 23, 0.1);
  --header-height: 78px;
  --page-pad: clamp(20px, 4vw, 64px);
  --display: "Archivo Black", "Arial Black", sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

html[data-theme="dark"] {
  --paper: #101512;
  --paper-elevated: #171e1a;
  --ink: #eef3ee;
  --ink-soft: #aab5ae;
  --line: #344139;
  --line-strong: #59685f;
  --blue: #6f95ff;
  --blue-deep: #a7bdff;
  --blue-soft: #1e2b53;
  --orange: #ff7547;
  --orange-soft: #472719;
  --green: #65d6a7;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  transition: background-color 0.35s ease, color 0.35s ease;
}
body.is-booting { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
svg { fill: none; stroke: currentColor; stroke-linecap: square; stroke-linejoin: miter; stroke-width: 1.6; }
::selection { background: var(--orange); color: #fff; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 18px;
  background: #111714;
  color: #edf0eb;
  transition: opacity 0.55s ease, visibility 0.55s ease;
}
.boot-screen.is-complete { opacity: 0; visibility: hidden; }
.boot-mark { font-family: var(--display); font-size: clamp(42px, 8vw, 80px); letter-spacing: -0.08em; }
.boot-track { width: min(280px, 55vw); height: 2px; background: #39433d; overflow: hidden; }
.boot-track span { display: block; height: 100%; width: 0; background: var(--orange); animation: boot 0.9s cubic-bezier(0.65, 0, 0.35, 1) forwards; }
.boot-screen p { margin: 0; font: 500 10px var(--mono); letter-spacing: 0.22em; text-transform: uppercase; color: #849088; }
@keyframes boot { to { width: 100%; } }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  min-height: var(--header-height);
  padding: 12px var(--page-pad);
  display: grid;
  grid-template-columns: minmax(200px, 1fr) auto minmax(200px, 1fr);
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: min-height 0.25s ease, background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}
.site-header.is-scrolled {
  min-height: 64px;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  aspect-ratio: 1;
  background: var(--ink);
  color: var(--paper);
  font: 400 14px var(--display);
  letter-spacing: -0.08em;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { font-size: 13px; letter-spacing: -0.02em; }
.brand-copy small { margin-top: 4px; font: 500 8px var(--mono); letter-spacing: 0.07em; color: var(--ink-soft); text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 44px); font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; }
.main-nav a { position: relative; padding: 8px 0; color: var(--ink-soft); }
.main-nav a::after { content: ""; position: absolute; inset: auto 0 4px; height: 1px; background: var(--orange); transform: scaleX(0); transform-origin: right; transition: transform 0.25s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--ink); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 38px; height: 38px; border: 1px solid var(--line); background: transparent; cursor: pointer; display: grid; place-items: center; transition: border-color 0.2s, background 0.2s;
}
.theme-toggle:hover { border-color: var(--ink); background: var(--paper-elevated); }
.theme-toggle__icon { width: 14px; height: 14px; border: 1.5px solid currentColor; border-radius: 50%; box-shadow: 5px -4px 0 -3px var(--paper), 5px -4px 0 -1.5px currentColor; }
.header-github { display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 13px; border: 1px solid var(--ink); font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; transition: color 0.2s, background 0.2s; }
.header-github svg { width: 14px; }
.header-github:hover { background: var(--ink); color: var(--paper); }

.hero {
  position: relative;
  min-height: max(780px, 100svh);
  padding: calc(var(--header-height) + clamp(60px, 10vh, 112px)) var(--page-pad) 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(400px, 0.72fr);
  align-items: center;
  gap: clamp(48px, 7vw, 120px);
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.48;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, #000 0%, transparent 68%);
}
.hero::before { content: ""; position: absolute; width: min(42vw, 650px); aspect-ratio: 1; left: -15vw; top: 12%; border: 1px solid var(--blue); border-radius: 50%; opacity: 0.15; }
.hero-copy, .evidence-console { position: relative; z-index: 1; }
.eyebrow, .section-kicker { margin: 0 0 20px; font: 600 clamp(9px, 0.8vw, 11px) var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue-deep); }
.eyebrow::before, .section-kicker::before { content: ""; display: inline-block; width: 26px; height: 2px; margin-right: 11px; vertical-align: 3px; background: var(--orange); }
.hero h1 { margin: 0; max-width: 970px; font: 400 clamp(56px, 7vw, 118px)/0.88 var(--display); letter-spacing: -0.075em; text-wrap: balance; }
.hero h1 span { display: block; color: var(--blue); }
.hero-intro { max-width: 690px; margin: 36px 0 0; padding-left: clamp(0px, 5vw, 90px); font-size: clamp(16px, 1.3vw, 20px); line-height: 1.65; color: var(--ink-soft); }
.hero-actions { margin: 34px 0 0; padding-left: clamp(0px, 5vw, 90px); display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 20px; font: 600 11px var(--mono); letter-spacing: 0.07em; text-transform: uppercase; transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 15px; }
.button--primary { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); box-shadow: 6px 6px 0 var(--orange); }
.button--primary:hover { background: var(--blue); border-color: var(--blue); }
.button--text { padding-inline: 0; border-bottom: 1px solid var(--line-strong); }

.evidence-console { border: 1px solid var(--line-strong); background: color-mix(in srgb, var(--paper-elevated) 94%, transparent); box-shadow: var(--shadow); }
.console-head, .console-foot { min-height: 48px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font: 500 9px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.console-head { border-bottom: 1px solid var(--line); }
.console-head > div { display: flex; align-items: center; gap: 9px; }
.status-light { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 15%, transparent); }
.trace-list { list-style: none; padding: 0; margin: 0; }
.trace-step { position: relative; min-height: 78px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); transition: background 0.3s ease, color 0.3s ease; }
.trace-step::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--orange); transform: scaleY(0); transition: transform 0.3s ease; }
.trace-step.is-active { background: var(--blue-soft); }
.trace-step.is-active::before { transform: scaleY(1); }
.trace-index { font: 500 10px var(--mono); color: var(--blue-deep); }
.trace-step div { display: flex; flex-direction: column; }
.trace-step strong { font-size: 14px; }
.trace-step small { margin-top: 2px; font: 400 9px var(--mono); color: var(--ink-soft); }
.trace-state { padding: 5px 7px; border: 1px solid var(--line); font: 500 8px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.console-foot { min-height: 58px; }
.coverage-bar { flex: 1; height: 4px; background: var(--line); overflow: hidden; }
.coverage-bar span { display: block; width: 100%; height: 100%; background: var(--green); transform-origin: left; animation: coverage 1.6s 1.1s both; }
@keyframes coverage { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.console-foot strong { color: var(--green); }
.scroll-cue { position: absolute; z-index: 2; left: var(--page-pad); bottom: 30px; display: flex; align-items: center; gap: 12px; font: 500 9px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.scroll-cue i { display: block; width: 54px; height: 1px; background: var(--line-strong); overflow: hidden; }
.scroll-cue i::after { content: ""; display: block; height: 100%; background: var(--orange); animation: scan 2s infinite; }
@keyframes scan { 0% { transform: translateX(-100%); } 55%, 100% { transform: translateX(100%); } }

.section-shell { padding: clamp(100px, 13vw, 190px) var(--page-pad); border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1.3fr 0.7fr; column-gap: clamp(40px, 8vw, 140px); align-items: end; margin-bottom: clamp(48px, 7vw, 96px); }
.section-heading .section-kicker { grid-column: 1 / -1; }
.section-heading h2, .approach h2, .about h2, .contact h2 { margin: 0; font: 400 clamp(44px, 6.2vw, 92px)/0.94 var(--display); letter-spacing: -0.065em; }
.section-heading > p:last-child { margin: 0 0 4px; max-width: 480px; color: var(--ink-soft); font-size: clamp(16px, 1.4vw, 20px); }
.project-list { display: grid; gap: 24px; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project { position: relative; min-height: 460px; padding: clamp(22px, 2.5vw, 36px); border: 1px solid var(--line-strong); background: var(--paper-elevated); display: flex; flex-direction: column; overflow: hidden; transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
.project::after { content: ""; position: absolute; width: 120px; height: 120px; right: -66px; top: -66px; border: 1px solid var(--line); border-radius: 50%; transition: transform 0.5s ease, border-color 0.3s ease; }
.project:hover { transform: translateY(-6px); border-color: var(--blue); box-shadow: var(--shadow); }
.project:hover::after { transform: scale(1.55); border-color: var(--orange); }
.project-hit-area { position: absolute; inset: 0; z-index: 2; }
.project-meta { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); font: 500 9px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.project-body { position: relative; z-index: 1; flex: 1; padding: clamp(34px, 4vw, 68px) 0 32px; }
.project h3 { margin: 0; font: 400 clamp(28px, 3vw, 48px)/1 var(--display); letter-spacing: -0.055em; }
.project-deck { max-width: 580px; margin: 16px 0 0; color: var(--blue-deep); font-weight: 700; }
.project-description { margin: 28px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.project-status { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; font: 600 9px var(--mono); text-transform: uppercase; letter-spacing: 0.09em; color: var(--green); }
.project-status span { width: 7px; height: 7px; background: var(--green); border-radius: 50%; }
.project-footer { position: relative; z-index: 3; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid var(--line); pointer-events: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; list-style: none; padding: 0; margin: 0; }
.tag-list li { padding: 5px 8px; border: 1px solid var(--line); font: 500 8px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); }
.project-link { flex: none; display: flex; align-items: center; gap: 7px; font: 600 9px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.project-link svg { width: 13px; }
.project--feature { min-height: 520px; background: var(--ink); color: var(--paper); border-color: var(--ink); }
.project--feature .project-meta, .project--feature .project-footer { border-color: color-mix(in srgb, var(--paper) 24%, transparent); color: color-mix(in srgb, var(--paper) 68%, transparent); }
.project--feature .project-body { display: grid; grid-template-columns: 1fr 0.72fr; gap: clamp(40px, 8vw, 140px); align-items: end; }
.project--feature h3 { font-size: clamp(58px, 9vw, 140px); color: var(--paper); }
.project--feature .project-deck { color: #91abff; font-size: clamp(16px, 1.4vw, 20px); }
.project--feature .project-description { color: color-mix(in srgb, var(--paper) 70%, transparent); font-size: 15px; }
.project--feature .tag-list li { border-color: color-mix(in srgb, var(--paper) 28%, transparent); color: color-mix(in srgb, var(--paper) 76%, transparent); }
.project--feature::after { border-color: rgba(255,255,255,0.2); }
.project-proof { position: relative; z-index: 1; display: flex; align-items: center; gap: 10px; margin-bottom: 30px; font: 500 9px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: color-mix(in srgb, var(--paper) 70%, transparent); }
.project-proof i { flex: 1; height: 1px; background: linear-gradient(90deg, var(--orange), #91abff); }

.approach { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1fr); gap: clamp(70px, 10vw, 170px); align-items: start; background: var(--blue); color: #f5f7ff; border-top: 0; }
.approach .section-kicker { color: #d6e0ff; }
.approach .section-kicker::before { background: var(--orange); }
.approach h2 { max-width: 760px; }
.principles { border-top: 1px solid rgba(255,255,255,0.38); }
.principle { display: grid; grid-template-columns: 52px 1fr; gap: 24px; padding: 32px 0; border-bottom: 1px solid rgba(255,255,255,0.38); }
.principle > span { padding-top: 4px; font: 500 11px var(--mono); color: #d6e0ff; }
.principle h3 { margin: 0; font-size: clamp(20px, 1.6vw, 27px); letter-spacing: -0.03em; }
.principle p { margin: 10px 0 0; color: #dbe3ff; line-height: 1.7; }

.about { display: grid; grid-template-columns: minmax(320px, 0.7fr) minmax(0, 1fr); gap: clamp(70px, 12vw, 190px); align-items: center; }
.portrait-frame { position: relative; max-width: 520px; margin: 0 auto; padding: 16px 16px 52px; background: var(--paper-elevated); border: 1px solid var(--line-strong); transform: rotate(-1.5deg); box-shadow: 16px 18px 0 var(--blue-soft); }
.portrait-frame::before { content: "IDENTITY / VERIFIED"; position: absolute; right: -44px; top: 80px; padding: 7px 12px; background: var(--orange); color: #fff; font: 600 8px var(--mono); letter-spacing: 0.12em; transform: rotate(90deg); }
.portrait-frame img { width: 100%; aspect-ratio: 1; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.portrait-frame > span { position: absolute; left: 18px; bottom: 13px; font: 500 10px var(--mono); color: var(--ink-soft); }
.about h2 { margin-bottom: 30px; }
.about-lead { max-width: 800px; margin: 0 0 20px; font-size: clamp(21px, 2vw, 30px); line-height: 1.45; font-weight: 600; letter-spacing: -0.035em; }
.about-copy > p:not(.section-kicker):not(.about-lead) { max-width: 760px; color: var(--ink-soft); font-size: 17px; }
.about-facts { margin: 46px 0 0; border-top: 1px solid var(--line-strong); }
.about-facts > div { display: grid; grid-template-columns: minmax(130px, 0.32fr) 1fr; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.about-facts dt { font: 500 9px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.about-facts dd { margin: 0; font-weight: 600; }

.contact { position: relative; min-height: 82svh; padding: 120px var(--page-pad); display: grid; place-items: center; overflow: hidden; background: var(--ink); color: var(--paper); text-align: center; }
.contact-inner { position: relative; z-index: 2; max-width: 1040px; }
.contact .section-kicker { color: color-mix(in srgb, var(--paper) 68%, transparent); }
.contact h2 { font-size: clamp(52px, 8.5vw, 136px); }
.contact-inner > p:not(.section-kicker) { margin: 28px 0 36px; color: color-mix(in srgb, var(--paper) 68%, transparent); font-size: 18px; }
.button--contact { background: var(--orange); color: #fff; border: 1px solid var(--orange); }
.button--contact:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.contact-orbit { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; opacity: 0.3; }
.contact-orbit span { position: absolute; width: min(72vw, 1100px); aspect-ratio: 1; border: 1px solid color-mix(in srgb, var(--paper) 32%, transparent); border-radius: 50%; }
.contact-orbit span:nth-child(2) { width: min(52vw, 790px); }
.contact-orbit span:nth-child(3) { width: min(32vw, 480px); border-color: var(--blue); }
.site-footer { min-height: 84px; padding: 24px var(--page-pad); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; border-top: 1px solid var(--line); font: 500 9px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }
.site-footer p { margin: 0; }
.site-footer a { justify-self: end; color: var(--ink); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.project-grid .project:nth-child(2) { transition-delay: 0.08s; }
.project-grid .project:nth-child(3) { transition-delay: 0.16s; }

:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }

@media (max-width: 1120px) {
  .hero { grid-template-columns: 1fr 410px; gap: 44px; }
  .hero h1 { font-size: clamp(54px, 7.5vw, 86px); }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project-grid .project:last-child { grid-column: 1 / -1; min-height: 360px; }
  .approach { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  :root { --header-height: 66px; }
  .site-header { grid-template-columns: 1fr auto; }
  .brand-copy, .main-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--header-height) + 80px); align-content: center; }
  .hero h1 { font-size: clamp(52px, 13.5vw, 92px); }
  .hero-intro, .hero-actions { padding-left: 0; }
  .evidence-console { max-width: 620px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .project--feature .project-body { grid-template-columns: 1fr; gap: 14px; }
  .project-proof { overflow-x: auto; }
  .project-proof i { min-width: 18px; }
  .about { grid-template-columns: 1fr; }
  .about-portrait { max-width: 430px; }
  .site-footer { grid-template-columns: 1fr auto; }
  .site-footer p:nth-child(2) { display: none; }
}

@media (max-width: 620px) {
  .header-github { font-size: 0; width: 38px; padding: 0; justify-content: center; }
  .header-github svg { width: 17px; }
  .hero { min-height: auto; padding-bottom: 110px; }
  .hero h1 { font-size: clamp(48px, 15.7vw, 72px); }
  .hero-intro { margin-top: 26px; font-size: 15px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .button--text { min-height: 38px; }
  .trace-step { min-height: 68px; grid-template-columns: 32px 1fr; }
  .trace-state { display: none; }
  .console-foot > span:first-child { display: none; }
  .scroll-cue { bottom: 30px; }
  .section-shell { padding-block: 96px; }
  .section-heading h2, .approach h2, .about h2 { font-size: clamp(42px, 13vw, 62px); }
  .project-grid { grid-template-columns: 1fr; }
  .project-grid .project:last-child { grid-column: auto; min-height: 460px; }
  .project { min-height: 450px; }
  .project--feature { min-height: 590px; }
  .project--feature h3 { font-size: clamp(52px, 17vw, 80px); overflow-wrap: anywhere; }
  .project-proof { display: grid; grid-template-columns: auto 1fr auto 1fr auto; gap: 8px; }
  .project-proof span:nth-of-type(n+4), .project-proof i:nth-of-type(n+4) { display: none; }
  .project-footer { align-items: flex-start; flex-direction: column; }
  .about-facts > div { grid-template-columns: 1fr; gap: 5px; }
  .portrait-frame::before { right: -38px; }
  .contact { min-height: 700px; }
  .contact h2 { font-size: clamp(50px, 15vw, 78px); }
  .contact-orbit span { width: 130vw; }
  .contact-orbit span:nth-child(2) { width: 95vw; }
  .contact-orbit span:nth-child(3) { width: 60vw; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .boot-screen { display: none; }
}